<template>
  <el-row class="login-container">
    <el-col :lg="16" :md="12" class="left">
      <div>
        <div>欢迎光临</div>
        <div>此站点是《vue3 + vite实战商城后台开发》视频课程的演示地址</div>
      </div>
    </el-col>
    <el-col :lg="8" :md="12" class="right">
      <h2 class="title">欢迎回来</h2>
      <div>
        <span class="line"></span>
        <span>账号密码登录</span>
        <span class="line"></span>
      </div>
      <el-form ref="formRef" :model="form" class="w-[250px]" :rules="rules">
        <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="请输入用户名" >
            <template #prefix>
              <el-icon>
                <user/>
              </el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" placeholder="请输入密码" showPassword>
            <template #prefix>
              <el-icon>
                <lock/>
              </el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item>
          <el-button round color="#626aef" class="w-[250px]" type="primary" @click="onSubmit">登 录</el-button>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<script setup>
import { ElNotification } from 'element-plus'
import {ref,reactive} from 'vue'
import {login} from '@/api/manager.js'
import {useRouter} from "vue-router";

const router = useRouter()

// do not use same name with ref
const form = reactive({
  username: "",
  password: ""
})

const rules = {
  username: [
    { required: true, message: '用户名不能为空', trigger: 'blur' },
    { min: 3, max: 5, message: '用户名长度 3 到 5', trigger: 'blur' },
  ],
  password:[
    { required: true, message: '密码不能为空', trigger: 'blur' },
    { min: 3, max: 5, message: '密码长度 3 到 5', trigger: 'blur' },
  ]
}

const formRef = ref(null);

const onSubmit = () => {

  formRef.value.validate((valid) => {
    if (!valid){
      return false;
    }
    login(form.username, form.password).then(res => {
      //console.log(res.data.data);
      ElNotification({
        message: "登陆成功",
        type: 'success',
        duration:3000
      })
      router.push("/")
    }).catch(err => {
      //console.log(err.response.data);
      ElNotification({
        message: err.response.data.msg || "请求失败",
        type: 'error',
        duration:3000
      })
    })
  })
  // console.log('submit!')
}
</script>

<style scoped>
.login-container {
  @apply min-h-screen bg-indigo-500;
}

.login-container .left, .login-container .right {
  @apply flex items-center justify-center;
}

.login-container .right {
  @apply bg-light-50 flex-col;
}

.left > div > div:first-child {
  @apply font-bold text-5xl text-light-50 mb-4;
}

.left > div > div:last-child {
  @apply text-gray-200 text-sm;
}

.right .title {
  @apply font-bold text-3xl text-gray-800;
}

.right > div {
  @apply flex items-center justify-center my-5 text-gray-300 space-x-2;
}

.right .line {
  @apply h-[1px] w-16 bg-gray-200;
}
</style>